Cannot sample enough valid points. (more)

\[x + \sin^{-1} \left(\cosh x\right)\]
x + \sin^{-1} \left(\cosh x\right)
double f(double x) {
        double r18218 = x;
        double r18219 = cosh(r18218);
        double r18220 = asin(r18219);
        double r18221 = r18218 + r18220;
        return r18221;
}